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Pyrolysis of Pruning Residues from Various Types of Orchards and Pretreatment for Energetic Use of Biochar
Abstract
The routine pruning and cutting of fruit trees provides a considerable amount of biowaste each year. This lignocellulosic biomass, mainly in the form of branches, trunks, rootstocks, and leaves, is a potential high-quality fuel, yet often is treated as waste. The results of a feasibility study on biochar production by pyrolysis of residues from orchard pruning were presented. Three types of biomass waste were selected as raw materials and were obtained from the most common fruit trees in Poland: apple (AP), pear (PR), and plum (PL) tree prunings. Two heating rates and three final pyrolysis temperatures were applied. For the slow (SP) and fast pyrolysis (FP) processes, the heating rates were 15 °C/min and 100 °C/min, respectively. The samples were heated from 25 °C up to 400, 500, and 600 °C. Chemical analyses of the raw materials were conducted, and the pyrolysis product yields were determined. A significant rise of higher heating value (HHV) was observed for the solid pyrolysis products, from approximately 23.45 MJ/kg for raw materials up to approximately 29.52 MJ/kg for pyrolysis products at 400 °C, and 30.53 MJ/kg for pyrolysis products at 600 °C. Higher carbon content was observed for materials obtained by fast pyrolysis conducted at higher temperatures
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Authors (8)
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Paweł Kazimierski
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Paulina Hercel
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Tomasz Suchocki
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Dariusz Kardaś
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- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/ma14112969
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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Materials
no. 14,
ISSN: 1996-1944 - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Kazimierski P., Hercel P., Suchocki T., Smoliński J., Pladzyk A., Kardaś D., Łuczak J., Januszewicz K.: Pyrolysis of Pruning Residues from Various Types of Orchards and Pretreatment for Energetic Use of Biochar// Materials -Vol. 14,iss. 11 (2021), s.2969-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/ma14112969
- Verified by:
- Gdańsk University of Technology
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